| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.camel.spring.boot.cloud; |
| |
| import java.util.List; |
| import java.util.Map; |
| |
| import javax.annotation.PostConstruct; |
| |
| import org.apache.camel.CamelContext; |
| import org.apache.camel.NoTypeConversionAvailableException; |
| import org.apache.camel.cloud.ServiceDiscovery; |
| import org.apache.camel.impl.cloud.StaticServiceDiscovery; |
| import org.apache.camel.spring.boot.util.GroupCondition; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.springframework.beans.BeansException; |
| import org.springframework.beans.factory.BeanFactory; |
| import org.springframework.beans.factory.BeanFactoryAware; |
| import org.springframework.beans.factory.annotation.Autowired; |
| import org.springframework.beans.factory.config.ConfigurableBeanFactory; |
| import org.springframework.boot.autoconfigure.condition.ConditionalOnBean; |
| import org.springframework.boot.context.properties.EnableConfigurationProperties; |
| import org.springframework.context.annotation.Bean; |
| import org.springframework.context.annotation.Conditional; |
| import org.springframework.context.annotation.Configuration; |
| import org.springframework.context.annotation.Lazy; |
| |
| @Configuration |
| @ConditionalOnBean(CamelCloudAutoConfiguration.class) |
| @EnableConfigurationProperties(CamelCloudConfigurationProperties.class) |
| @Conditional(CamelCloudServiceDiscoveryAutoConfiguration.Condition.class) |
| public class CamelCloudServiceDiscoveryAutoConfiguration implements BeanFactoryAware { |
| private static final Logger LOGGER = LoggerFactory.getLogger(CamelCloudServiceDiscoveryAutoConfiguration.class); |
| |
| private BeanFactory beanFactory; |
| |
| @Autowired |
| private CamelContext camelContext; |
| @Autowired |
| private CamelCloudConfigurationProperties configurationProperties; |
| |
| @Override |
| public void setBeanFactory(BeanFactory factory) throws BeansException { |
| beanFactory = factory; |
| } |
| |
| @Lazy |
| @Bean(name = "static-service-discovery") |
| public ServiceDiscovery staticServiceDiscovery() { |
| return createStaticServiceDiscovery(configurationProperties.getServiceDiscovery()); |
| } |
| |
| @Lazy |
| @Bean(name = "service-discovery") |
| public CamelCloudServiceDiscovery serviceDiscovery(List<ServiceDiscovery> serviceDiscoveryList) throws NoTypeConversionAvailableException { |
| String cacheTimeout = configurationProperties.getServiceDiscovery().getCacheTimeout(); |
| Long timeout = null; |
| |
| if (cacheTimeout != null) { |
| timeout = camelContext.getTypeConverter().mandatoryConvertTo(Long.class, timeout); |
| } |
| |
| return new CamelCloudServiceDiscovery(timeout, serviceDiscoveryList); |
| } |
| |
| @PostConstruct |
| public void addServiceDiscoveryConfigurations() { |
| if (!(beanFactory instanceof ConfigurableBeanFactory)) { |
| LOGGER.warn("BeanFactory is not of type ConfigurableBeanFactory"); |
| return; |
| } |
| |
| final ConfigurableBeanFactory factory = (ConfigurableBeanFactory) beanFactory; |
| |
| configurationProperties.getServiceDiscovery().getConfigurations().entrySet().stream() |
| .forEach(entry -> registerBean(factory, entry.getKey(), entry.getValue())); |
| } |
| |
| // ******************************* |
| // Condition |
| // ******************************* |
| |
| public static class Condition extends GroupCondition { |
| public Condition() { |
| super( |
| "camel.cloud", |
| "camel.cloud.service-discovery" |
| ); |
| } |
| } |
| |
| // ******************************* |
| // Helper |
| // ******************************* |
| |
| private void registerBean(ConfigurableBeanFactory factory, String name, CamelCloudConfigurationProperties.ServiceDiscoveryConfiguration configuration) { |
| factory.registerSingleton( |
| name, |
| createStaticServiceDiscovery(configuration) |
| ); |
| } |
| |
| private ServiceDiscovery createStaticServiceDiscovery(CamelCloudConfigurationProperties.ServiceDiscoveryConfiguration configuration) { |
| StaticServiceDiscovery staticServiceDiscovery = new StaticServiceDiscovery(); |
| |
| Map<String, List<String>> services = configuration.getServices(); |
| for (Map.Entry<String, List<String>> entry : services.entrySet()) { |
| staticServiceDiscovery.addServers(entry.getKey(), entry.getValue()); |
| } |
| |
| return staticServiceDiscovery; |
| } |
| } |